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Round|Lab Grown|IGI

6.42ct H VS2 Round Lab Grown Diamond

ID • H/VS2 • IGI LG615348552

Shape and cutting style on the report: Round brilliant

Certificate IGI LG615348552

Diamond specifications and retailer prices

From £628 GBP
$842 USD
As of October 29, 2026
Save £2,663 GBP (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,291 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 6.42ct lab-grown round diamond

This 6.42ct lab-grown round sits in the over five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG615348552 or 615348552. Listed at 16 retailers as of October 29, 2026, with prices from £628 to £3,291, a £2,663 spread on the same certified stone. Brilliant Earth lists it at £3,291. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.42
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615348552
Dimensions11.94 × 11.86 × 7.32 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.94 mm11.86 mm6.42 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615348552
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 41°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £3,291 GBP|Low: £599 GBP|High: £3,388 GBP|Avg: £1,567 GBP|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 4£628 GBP
Retailer 11£684 GBP
Retailer 14£729 GBP
Retailer 16£729 GBP
Retailer 2£862 GBP
Retailer 15£1,090 GBP
Retailer 5£1,105 GBP
Retailer 7£1,174 GBP
Retailer 10£1,199 GBP
Retailer 12£1,676 GBP
Retailer 6£1,718 GBP
Retailer 3£2,049 GBP
Retailer 8£2,526 GBP
Retailer 13£2,698 GBP
Retailer 9£2,747 GBP
Brilliant Earth£3,291 GBP

32 data points across 16 retailers

16 retailers£628 GBP to £3,291 GBP

A
Cheapest Retailer
-
£628 GBP
$842 USD
A
Retailer 2
-
£684 GBP
$916 USD
View
A
Retailer 3
-
£729 GBP
$977 USD
View
Retailer 4
-
£729 GBP
$977 USD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
£862 GBP
$1,155 USD
View
Retailer 6
-
£1,090 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
£1,105 GBP
$1,480 USD
View
B+
Retailer 8
-
£1,174 GBP
$1,573 USD
View
B+
Retailer 9
-
£1,199 GBP
€1,530 EUR
View
B+
Retailer 10
-
£1,676 GBP
$2,245 USD
View
B+
Retailer 11
-
£1,718 GBP
$2,302 USD
View
B+
Retailer 12
-
£2,049 GBP
$2,746 USD
View
Retailer 13
-
£2,526 GBP
$3,385 USD
View
Price last confirmed 12 days ago
Retailer 14
-
£2,698 GBP
$3,615 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
£2,747 GBP
View
Most Expensive
B
Brilliant Earth
8905372A · Oct 29
£3,291 GBP
$4,410 USD
View
15 more retailers have this diamond
Prices start from £628 GBPSave up to £2,663 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
6.42ct Round
£628 GBP